Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Corning enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 47°F in January while summers reach 79°F in July. The area gets 326 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 21.4 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 276 feet.
Temperature
47°F Jan (9°C)79°F Jul (26°C)
Annual Average
62.5°F
16% above US avg
January Average
47°F (9°C)
July Average
79°F (26°C)
Sunny Days
326 days/yr
Geography
Elevation
276 ft (84 m)
Area
3.6 sq mi (9.2 km²)
Population Density
2,301/sq mi
Coordinates
39.9282°N, 122.1820°W
Timezone
America/Los_Angeles
County
Glenn County County
Nearest Airport
Chico Regional (CIC) 17 miles away
Precipitation & Snow
Annual Rainfall21.4"
44% below US avg
Snowfall0.0"
Wettest Month (Jan)4.33"
Driest Month (Jul)0.08"
Air Quality
AQI Median
48.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
74.4 / 100
Social Vulnerability
14.8 / 100
Community Resilience
15.1 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively Moderate
Wildfire
Relatively Moderate
Flood
Relatively Low
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Relatively Low
Winter Weather
Very Low
Lightning
Very Low
Drought
Relatively High
Cold Wave
No Rating
Landslide
Relatively Low
Volcano
Very Low
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4,361 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.7.
May 24, 2013
2 km NNE of Canyondam, California
M5.7
100 km
8 km
May 11, 2023
Lake Almanor Earthquake
M5.5
96 km
6 km
Aug 10, 2001
3 km N of Blairsden, California
M5.2
134 km
5 km
May 12, 2023
4km NW of Canyondam, CA
M5.2
97 km
6 km
Nov 26, 1998
7km NW of Redding, CA
M5.1
80 km
25 km
Aug 10, 2016
20 km NNE of Upper Lake, California
M5.1
85 km
14 km
Sep 8, 2023
12 km NE of Burney, CA
M5.0
126 km
16 km
May 24, 2013
1km NNW of Canyondam, CA
M4.9
98 km
4 km
Sep 4, 1995
13 km SW of Middletown, California
M4.8
147 km
7 km
Apr 18, 2007
15 km N of Potter Valley, California
M4.8
95 km
5 km
May 12, 2006
7 km W of Cobb, California
M4.7
135 km
4 km
Jan 19, 2008
31 km NW of Rancho Tehama Reserve, California
M4.7
52 km
2 km
Jan 2, 2025
4 km NW of Cobb, CA
M4.7
130 km
1 km
Nov 26, 1998
5km NNW of Redding, CA
M4.6
79 km
25 km
Jan 11, 2000
6 km N of Geyserville, California
M4.6
143 km
6 km
Feb 18, 2004
4 km WNW of Cobb, California
M4.6
131 km
3 km
Jan 12, 2014
8 km W of Cobb, California
M4.5
135 km
2 km
Sep 25, 2012
3 km N of Talmage, California
M4.5
119 km
11 km
Jan 19, 2008
34 km WNW of Rancho Tehama Reserve, California
M4.5
56 km
10 km
Jul 21, 1998
4 km NNW of Redding, California
M4.5
80 km
23 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
47 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 7 injuries.
Date
Rating
Distance
Path
Fatalities
May 25, 2011
EF2
60 km
0.2 mi
0
Feb 10, 1994
EF2
69 km
0.3 mi
0
Sep 24, 1986
EF2
11 km
2.0 mi
0
May 9, 1980
EF2
23 km
0.1 mi
0
May 19, 1953
EF2
20 km
2.0 mi
0
Dec 19, 2023
EF1
33 km
0.4 mi
0
Mar 26, 2014
EF1
38 km
0.7 mi
0
Mar 26, 2014
EF1
38 km
0.6 mi
0
Mar 26, 2014
EF1
40 km
1.0 mi
0
May 25, 2011
EF1
34 km
21.7 mi
0
May 25, 2011
EF1
45 km
26.4 mi
0
Jan 8, 2005
EF1
75 km
0.1 mi
0
Apr 17, 1993
EF1
45 km
0.5 mi
0
Jan 7, 1993
EF1
69 km
0.1 mi
0
Dec 17, 1992
EF1
69 km
1.0 mi
0
Dec 17, 1992
EF1
96 km
5.0 mi
0
Mar 23, 1978
EF1
51 km
0.1 mi
0
Mar 5, 1978
EF1
21 km
0.1 mi
0
Mar 4, 1978
EF1
25 km
1.5 mi
0
Jun 28, 1970
EF1
72 km
2.3 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
4 volcanoes within 200 km.
Closest: Lassen Volcanic Center (85 km).
Name
Type
Elevation
Last Eruption
Distance
Lassen Volcanic Center
Stratovolcano
3,187 m (10,456 ft)
1917
85 km
Clear Lake
Volcanic field
1,439 m (4,721 ft)
Unknown
118 km
Shasta
Stratovolcano
4,317 m (14,163 ft)
1250
165 km
Medicine Lake
Shield
2,412 m (7,913 ft)
1060
194 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: AUGUST COMPLEX (1,068,802 acres, 2020).
Year
Name
Acres Burned
Distance
2020
AUGUST COMPLEX
1,068,802
72 km
2018
RANCH
427,048
89 km
2020
NORTH COMPLEX
316,556
93 km
2018
CARR
233,710
94 km
2018
CAMP
153,687
56 km
1990
CAMPBELL
128,266
33 km
2021
MCFARLAND
121,554
74 km
2008
YOLLA BOLLY COMPLEX (IRON)
94,888
70 km
1996
FORK
83,209
94 km
2012
CHIPS
79,978
86 km
1999
GUN 2
61,203
43 km
2020
ZOGG
56,941
66 km
1987
MENDENHALL
54,162
85 km
2008
BTU LIGHTNING COMPLEX (LONG BRANCH-JACK)
52,091
64 km
2000
STORRIE
49,588
77 km
1994
BARKLEY
44,256
42 km
2012
NORTH PASS
43,689
74 km
2008
SHU LIGHTNING COMPLEX (MOON)
36,514
80 km
1999
MHRD COMPLEX (BUCKS)
34,459
74 km
2012
MILL
29,924
78 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
47°F (9°C)
4.3 in
Wettest
February
50°F (10°C)
3.6 in
March
54°F (12°C)
3.3 in
April
59°F (15°C)
1.3 in
May
67°F (20°C)
0.8 in
June
75°F (24°C)
0.4 in
July
79°F (26°C)
0.1 in
Warmest, Driest
August
78°F (26°C)
0.2 in
September
74°F (23°C)
0.5 in
October
64°F (18°C)
1.3 in
November
52°F (11°C)
3.2 in
December
46°F (8°C)
3.4 in
Coldest
Corning has a seasonal temperature swing of 33°F / from 46°F in December to 79°F in July. Total annual precipitation is 22.3 inches, with January being the wettest month (4.3") and July the driest (0.1").